2001-2007 Chevrolet Express 4.8L, 5.3L, 6.0L and 8.1L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] Deposit for a V2 Scan

Deposit for a V2 Scan Cable which applies to 2007-2009 Gen-IV V8 engines with 4 Speed transmissions

40+ ft-lbs of torque

Full Vehicle Support List

please contact us for pricing

Or would you like to have one of the most powerful PC-based scan and diagnostic tools available for your GM vehicle

2001-2007 Chevrolet Express 4.8L, 5.3L, 6.0L and 8.1L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] Deposit for a V2 ScanBlack Bear Performance offers three different levels of custom tuning service for your 2001 2007 Chevrolet Express 4. 8L, 5. 3L, 6. 0L, and 8. 1L. We commonly see gains of 15 30hp, 15 20ft lbs of torque gains out of the 4. 8L 5. 3L variations and 6. 0L 8. 1L engines can see a monster 30 35hp+, 40+ ft lbs of torque, depending on fuel quality, octane and vehicle condition prior to the tune. Due to frequent issues with 6. 0L and 8. 1L vehicle sensors, we